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Electro-magnetism: a brief essay or informal lecture on electro-magnetism, with a full description of models of Davenport's machines, as now exhibited in New York and at the Masonic Hall, Philadelphia, also other interesting matter on this subject
Electro-magnetism: a brief essay or informal lecture on electro-magnetism, with a full description of models of Davenport's machines, as now exhibited in New York and at the Masonic Hall, Philadelphia, also other interesting matter on this subject